@Override
            public void onResponse(Call<NewsDetail> call, Response<NewsDetail> response) {
                viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
                    @Override
                    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

                    }

                    @Override
                    public void onPageSelected(int position) {
                        position=position+1;

                    }

                    @Override
                    public void onPageScrollStateChanged(int state) {

                    }
                });
               ViewPagerAdapter adapter = new ViewPagerAdapter(getApplicationContext(),response.body().getImages());
                int c=viewPager.getCurrentItem();
                TextView counter=(TextView)findViewById(R.id.textViewCounter);
                counter.setText("Slika " +counter.setText(position+"/"+adapter.getCount()););
                viewPager.setAdapter(adapter);
                adapter.notifyDataSetChanged();

            }